喉头在解剖上是上呼吸孔道最窄的地方,一旦有病就容易发生阻塞,最突出的表现,就是呼吸困难。但是阶了喉阻塞可以引起“呼吸困难”外,其他如心肺疾患、纵隔障疾患…等,也都可以引起。尽管在临床的表现上,有不少相同之处,而在处理的方针上,二者是逈然不同的。茲将喉阻塞分叙如下: Throat in the anatomical upper respiratory tract is the narrowest place, once the disease is prone to blockage, the most prominent manifestation of that is breathing difficulties. However, an obstruction of the larynx can cause “dyspnea”, and other diseases such as cardiopulmonary disease and mediastinal disorders ... can also be caused. Although there are many similarities in clinical performance, the two are quite different in terms of treatment. Here is the blockage of the throat as follows: